Collins Zyzzyva

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Welcome to the Collins Zyzzyva help forum. Collins Zyzzyva is an app for looking up words in the Collins Scrabble Words (CSW) lexicon, currently on version CSW21, as well for study and adjudication in tournaments. The app is available for download on the Collins website:


If you have questions about using this application, or about migrating from an older version, please post your questions here, and other users can answer them. By posting your question here publicly, everyone benefits, even those coming to look at the forum later.